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Eco-geographical Regionalization of China:An Approach Using the Rough Set Method

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Chinese Geographical Science 2022年第1期32卷 93-109页

作者： DENG Haoyu WU shaohong YIN Yunhe GAO Jiangbo ZHAO Dongsheng Key Laboratory of Land Surface Pattern and Simulation Institute of Geographic Sciences and Natural Resources ResearchChinese Academy of SciencesBeijing 100101China College of Resources and Environment University of Chinese Academy of SciencesBeijing 100049China

Eco-geographical regionalization involves dividing land into regions by considering both intra-regional consistency and interregional disparity and is based on the pattern of differentiation of eco-geographical *** to the complexity of the land surface,and the limitation of data and appropriate methods,regions in China have hitherto been mapped manually,meaning that the process of mapping was *** make the regionalization technique repeatable,this study aimed to extract and quantify the expert knowledge of regionalization using an automated *** rough set method was adopted to extract rules of regionalization based on the existing eco-geographical regionalization map of China,as well as its corresponding meteorological and geological ***,the rules for regionalization were obtained hierarchically for each natural domain,each temperature zone,and each humidity *** to differences in zonal differentiation,the rule extraction sequence for the eastern monsoon zone and Tibetan Alpine zone was temperature zone first followed by humidity region,with the reverse order being applied for the northwest arid/semi-arid *** show that the extracted indicators were similar to those of the existing(expert-produced)regionalization scheme but more *** primary indicator for defining temperature zones was the≥10℃ growing season,and the secondary indicators were the January and July mean *** primary and secondary indicators for identifying humid regions were aridity index and precipitation,***-geographical regions were mapped over China using these rules and the gridded *** the temperature zones and humidity regions mapped by the rules show≥85%consistency with the existing regionalization,which is higher than values for mapping by the commonly used simplified method that uses the classification of one *** study demonstrates that the proposed rough set method can establis

关键词： Eco-geographical regionalization boundary rough set China

Identification and Categorization of Climate Change Risks

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Chinese Geographical Science 2008年第3期18卷 268-275页

作者： ZHANG Yuchong WU shaohong DAI Erfu LIU Dengwei YIN Yunhe Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing 100101 China Graduate University of the Chinese Academy of Sciences Beijing 100049 China Development Research Center Ministry of Water Resources Beijing 100038 China

The scientific evidence that climate is changing due to greenhouse gas emission is now incontestable, which may put many social, biological, and geophysical systems in the world at risk. In this paper, we first identified main risks induced from or aggravated by climate change. Then we categorized them applying a new risk categorization system brought forward by Renn in a framework of International Risk Governance Council. We proposed that ＂uncertainty＂ could be treated as the classification criteria. Based on this, we established a quantitative method with fuzzy set theory, in which ＂confidence＂ and ＂likelihood＂, the main quantitative terms for expressing uncertainties in IPCC, were used as the feature parameters to construct the fuzzy membership functions of four risk types. According to the maximum principle, most climate change risks identified were classified into the appropriate risk types. In the mean time, given that not all the quantitative terms are available, a qualitative approach was also adopted as a complementary classification method. Finally, we get the preliminary results of climate change risk categorization, which might iay the foundation for the future integrated risk management of climate change.

关键词： climate change risk identification risk categorization uncertainty degree of membership

冷冻扫描电镜制样方法及其在含水样品中的应用

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电子显微学报 2024年第2期43卷 231-239页

作者：莫家媚张少鸿卢思付娟陈晓丽苏秋成中国科学院广州能源研究所广东省新能源和可再生能源研究开发与应用重点实验室广东广州510640

常规扫描电镜要求所观察的样品必须干燥、无水,而一些含水样品在干燥过程中会发生结构变化,无法真实反映样品的结构信息。冷冻扫描电镜无需对样品进行干燥处理,可以直接分析含水样品表面、界面和内部结构,是研究高度含水样品的强有力工... 详细信息

常规扫描电镜要求所观察的样品必须干燥、无水,而一些含水样品在干燥过程中会发生结构变化,无法真实反映样品的结构信息。冷冻扫描电镜无需对样品进行干燥处理,可以直接分析含水样品表面、界面和内部结构,是研究高度含水样品的强有力工具。样品的制样方法在冷冻扫描电镜技术中占有重要地位,它直接关系到样品真实形貌特征的反映和对超微结构的正确解读。本文综述了冷冻扫描电镜的制样方法,并阐述冷冻扫描电镜技术在天然气水合物、微生物、乳液、水凝胶、动植物等含水样品中的应用。

关键词：冷冻扫描电镜制样方法含水样品应用

基于多孔高分子刷的坚韧全有机复合电解质助力长循环锂金属电池

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中国科学：化学 2024年第9期54卷 1596-1606页

作者：李始美黄俊龙苗冬田刘绍鸿吴丁财聚合物复合材料及功能材料教育部重点实验室中山大学化学学院广州510006

基于固态电解质的高安全性和高能量密度锂金属电池有望成为下一代储能器件.然而,固态电解质在高离子电导率与优良机械性能之间难以兼得,严重阻碍了其实际应用.本文利用多孔高分子刷(刚性多孔超交联聚氯甲基苯乙烯纳米球(xPCMS)表面接枝... 详细信息

基于固态电解质的高安全性和高能量密度锂金属电池有望成为下一代储能器件.然而,固态电解质在高离子电导率与优良机械性能之间难以兼得,严重阻碍了其实际应用.本文利用多孔高分子刷(刚性多孔超交联聚氯甲基苯乙烯纳米球(xPCMS)表面接枝聚甲基丙烯酸缩水甘油酯(PGMA),xPCMS-g-PGMA)作为纳米填料,将其与聚乙二醇二胺(DPEG)、聚乙二醇二缩水甘油醚(PEGDE)进行交联,并引入电解液塑化剂后成功获得了一类坚韧的全有机复合电解质(xPCMS-g-PGMA-AOCE).刚性多孔xPCMS骨架可以增强复合膜的机械强度并为锂离子传输提供充足通道;毛发状反应性PGMA侧链有利于xPCMS-g-PGMA与DPEG、PEGDE等锂离子传输连续相之间形成均匀的三维交联网络结构,可以进一步提高膜力学性能以及促进锂离子均匀、快速传输.因此,基于xPCMS-g-PGMA-AOCE组装的锂金属电池在1 C电流密度下首圈放电比容量高达155 mAh g^(-1),循环360圈后容量保持率为88%.

关键词：复合电解质离子电导率机械强度高分子刷锂金属电池

Modeled effects of climate change on actual evapotranspiration in different eco-geographical regions in the Tibetan Plateau

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Journal of Geographical Sciences 2013年第2期23卷 195-207页

作者： YIN Yunhe WU shaohong ZHAO Dongsheng ZHENG du PAN Tao Institute of Geographic Sciences and Natural Resources Research CAS Beijing 100101 China

From 1981 to 2010, the effects of climate change on evapotranspiration of the alpine ecosystem and the regional difference of effects in the Tibetan Plateau （TP） were studied based on the Lund-Potsdam-Jena dynamic vegetation model and data from 80 meteorological stations. Changes in actual evapotranspiration （AET） and water balance in TP were analyzed. Over the last 30 years, climate change in TP was characterized by significantly increased temperature, slightly increased precipitation, and decreased potential evapotranspiration （PET）, which was significant before 2000. AET exhibited increasing trends in most parts of TP. The difference between precipitation and AET decreased in the southeastern plateau and increased in the northwestern plateau. A decrease in atmospheric water demand will lead to a decreased trend in AET. However, AET in most regions increased because of increased precipitation. Increased precipitation was observed in 86% of the areas with increased AET, whereas decreased precipitation was observed in 73% of the areas with decreased AET.

关键词： evapotranspiration LPJ model climate change Tibetan Plateau

加强引导扶持促进绿色增长谱写湖南竹产业高质量发展新篇章——解读湖南省《关于加快竹产业高质量发展的意见》

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世界竹藤通讯 2024年第1期22卷 8-13页

作者：邓绍宏甄国懿邹艳灵湖南省林业经济发展中心长沙410004

湖南省于2023年11月出台了《关于加快竹产业高质量发展的意见》(简称《意见》),旨在加快推动湖南竹产业高质量发展,迈上千亿竹产业发展新台阶,助力实施乡村振兴和碳达峰碳中和等重大战略。《意见》提出优化发展布局、构建现代化产业体... 详细信息

湖南省于2023年11月出台了《关于加快竹产业高质量发展的意见》(简称《意见》),旨在加快推动湖南竹产业高质量发展,迈上千亿竹产业发展新台阶,助力实施乡村振兴和碳达峰碳中和等重大战略。《意见》提出优化发展布局、构建现代化产业体系、支持基础设施建设、提升自主创新能力、增强用地保障、培育龙头企业、促进竹产业与竹文化深度融合、加强品牌塑造、推广应用竹产品、加大财税金融支持、强化保障等支持措施,力争到2028年实现以下发展目标:全省竹林面积稳定在121.67万hm^(2)左右,规模以上竹产业龙头企业150家,年产值15亿元以上示范园区10个,年产值100亿元以上示范县3~5个,年竹文旅3000万人次,竹农人均竹业年收入2000元以上,研发推广3~5个竹基新材料,打造具有国内较好知名度的"潇湘竹品"公用品牌,竹产业年产值达1000亿元。文章结合湖南竹产业发展现状,从《意见》出台的意义、主要内容等方面对《意见》进行解读,以助推《意见》的贯彻落实。

关键词：竹资源竹产业高质量发展政策湖南省

Risk Identification of Seismic Landslides by Joint Newmark and RockFall Analyst Models: A Case Study of Roads Affected by the Jiuzhaigou Earthquake

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International Journal of Disaster Risk Science 2018年第3期9卷 392-406页

作者： Xiliu Yue shaohong Wu Yunhe Yin Jiangbo Gao Jingyun Zheng Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Key Laboratory of Land Surface Pattern and Simulation University of Chinese Academy of Sciences

Geological disasters are a great threat to people's lives and property. At present, it is difficult to evaluate quantitatively the cascading effects of regional geological disasters, and the development of new methods for such evaluation is much needed. In this study, the authors have developed a joint procedure that couples the Newmark model and the RockFall Analyst model based on a GIS platform in order to identify the impact of seismic landslides on roads. The new method effectively combines two processes—seismic landslide occurrence probability analysis and mass movement trajectory simulation. The permanent displacement derived from the Newmark model is used to identify potential source areas of *** on the RockFall Analyst model, the possible impact of mass movement on the roads can be simulated. To verify the reliability of the method, the landslides induced by the 2017 Jiuzhaigou Earthquake were taken as a case *** results suggest that about 21.37% of the study area is at high risk of seismic landslides, and approximately 3.95 km of road sections are at extremely high risk of large landslides. The simulated area is consistent with the distribution of disasters revealed by post-earthquake remote sensing image interpretation and field investigation in existing studies. This indicates that the procedure, which joins the Newmark and RockFall models, has a high reliability for risk identification and can be applied to seismic landslide risk assessment and prediction in similar areas.

关键词： China Jiuzhaigou earthquake Newmark model Risk identification RockFall analyst model Seismic landslide

Dynamics of a stage-structured single population system with winter hibernation and impulsive effect in polluted environment

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International Journal of Biomathematics 2016年第5期9卷 277-294页

作者： Jianjun Jiao shaohong Cai Yujuan Zhang Limei Li School of Mathematics and Statistics Guizhou Key Laboratory of Economic System Simulation Guizhou University of Finance and Economics Guiyang Guizhou 550004 P R. China College of Mathematics and Information Science Anshan Normal University Anshan Liaoning 114007 P. R. China School of Continuous Education Guizhou University of Finance and Economics Guiyang Guizhou 550004 P. R. China

In this work, we construct a stage-structured single population system with winter hiber- nation and impulsive effect in polluted environment. All solutions of the investigated system are proved to be uniformly ultimately bounded. The conditions of the population- extinction solution of the investigated system are obtained. The permanent condition of the investigated system is also obtained. Finally, numerical analysis is inserted to illustrate the results. Our results indicate that the environmental pollution will reduce biological diversity of the natural world. Our results also provide reliable tactic basis for the practical biological resource management.

关键词： Stage-structured single population system winter hibernation impulsive effect population-extinction permanence.

Northward-shift of temperature zones in China＇s eco-geographical study under future climate scenario

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Journal of Geographical Sciences 2010年第5期20卷 643-651页

作者： WU shaohong ZHENG du YIN Yunhe LIN Erda XU Yinlong Institute of Geographic Sciences and Natural Resources Research CAS Beijing 100101 China Institute of Tibetan Plateau Research CAS Beijing 100085 China Institute of Environment and Sustainable Development in Agriculture CAAS Beijing 100081 China

Despite the well-documented effects of global climate change on terrestrial species＇ ranges, eco-geographical regions as the regional scale of ecosystems have been poorly studied especially in China with diverse climate and ecosystems. Here we analyse the shift of temperature zones in eco-geographical study over China using projected future climate scenario. Projected climate data with high resolution during 1961-2080 were simulated using regional climate model of PRECIS. The number of days with mean daily temperature above 10℃ and the mean temperature of January are usually regarded as the principal criteria to indicate temperature zones, which are sensitive to climate change. Shifts due to future climate change were calculated by comparing the latitude of grid cells for the future borderline of one temperature zone with that for baseline period （1961-1990）. Results indicated that the ranges of Tropical, Subtropical, Warm Temperate and Plateau Temperate Zones would be enlarged and the ranges of Cold Temperate, Temperate and Plateau Sub-cold Zones would be reduced. Cold Temperate Zone would probably disappear at late this century. North bor- derlines of temperature zones would shift northward under projected future climate change, especially in East China. Farthest shifts of the north boundaries of Plateau Temperate, Subtropical and Warm Temperate Zones would be 3.1°, 5.3° and 6.6° latitude respectively. Moreover, northward shift would be more notably in northern China as future temperature increased.

关键词： temperature zone climate change shift eco-geographical study